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PHOENIX (AP) — Jodi Arias is set to return to the witness stand in her own defense for a 13th day on Thursday after the prosecutor in her felony murder case methodically chipped away at her numerous stories.

The 32-year-old Arias is charged in the 2008 killing of her lover in his suburban Phoenix home. She says it was self-defense, but authorities say she planned the attack on 30-year-old Travis Alexander in a jealous rage.

Prosecutor Juan Martinez has been meticulously picking apart her stories during a heated cross-examination.

Arias testified Wednesday she enjoyed, even instigated, raunchy sex acts with the victim, contrary to previous testimony that he coerced her to perform them — at times making her feel like a prostitute.

Arias could become the fourth woman on Arizona's death row if convicted.